X-Git-Url: https://git.distorted.org.uk/~mdw/stgit/blobdiff_plain/e3960931aafc4841588b0a39d74dfaf768c9219b..539fb2921209bd3fd6165baa057f76f474aa5cb4:/stgit/commands/diff.py

diff --git a/stgit/commands/diff.py b/stgit/commands/diff.py
index caa3c5b..8678a0a 100644
--- a/stgit/commands/diff.py
+++ b/stgit/commands/diff.py
@@ -41,7 +41,8 @@ rev = '([patch][//[bottom | top]]) | <tree-ish> | base'
 If neither bottom nor top are given but a '//' is present, the command
 shows the specified patch (defaulting to the current one)."""
 
-options = [make_option('-r', metavar = 'rev1[:[rev2]]', dest = 'revs',
+options = [make_option('-r', '--range',
+                       metavar = 'rev1[..[rev2]]', dest = 'revs',
                        help = 'show the diff between revisions'),
            make_option('-s', '--stat',
                        help = 'show the stat instead of the diff',
@@ -52,7 +53,7 @@ def func(parser, options, args):
     """Show the tree diff
     """
     if options.revs:
-        rev_list = options.revs.split(':')
+        rev_list = options.revs.split('..')
         rev_list_len = len(rev_list)
         if rev_list_len == 1:
             rev = rev_list[0]
@@ -78,4 +79,6 @@ def func(parser, options, args):
     if options.stat:
         print git.diffstat(args, git_id(rev1), git_id(rev2))
     else:
-        pager(git.diff(args, git_id(rev1), git_id(rev2)))
+        diff_str = git.diff(args, git_id(rev1), git_id(rev2))
+        if diff_str:
+            pager(diff_str)